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3 years ago

Use the area of the rectangle to find the area of the triangle. ?

Mathematics

1 answer:

Oksana_A [137]3 years ago

4 0

Answer:

Step-by-step explanation:

rectangle: 5 × 10 = 50ft²

triangle: ½ × 10 × 5 = 5 × 5 = 25ft²

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Suppose taxi fare from Logan Airport to downtown Boston is known to be normally distributed with a standard deviation of $2.50.

Mariulka [41]

Answer:

95% Confidence interval for taxi fare: ($20.5,$24.2)

Step-by-step explanation:

We are given the following data set: for fares:

$22.10, $23.25, $21.35, $24.50, $21.90, $20.75, and $22.65

Formula:

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$Mean =\displaystyle\frac{156.5}{7} = 22.35$

95% Confidence interval:

$\bar{x} \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

$22.35 \pm 1.96(\frac{2.5}{\sqrt{7}} ) = 22.35 \pm 1.85 = (20.5,24.2)$

6 0

3 years ago

On a coordinate plane, two parabolas open up. The solid-line parabola, labeled f of x, goes through (negative 2, 4), has a verte

34kurt

Answer:

$y = (x+4)^{2}+6$

Step-by-step explanation:

The parabola with vertex at point (h,k) is described by the following model:

$y - k = C\cdot (x-h)^{2}$

The equation which satisfies the conditions described above:

$y - 6 = (x+4)^{2}$

$y = (x+4)^{2}+6$

The two points are evaluated herein:

x = -6

$y =(-6+4)^{2}+6$

$y = (-2)^{2}+6$

$y = 4 + 6$

$y = 10$

x = -2

$y = (-2+4)^{2}+6$

$y = 2^{2} + 6$

$y = 4 + 6$

$y = 10$

The equation of the translated function is $y = (x+4)^{2}+6$ .

4 1

3 years ago

Read 2 more answers

How do u find the answer to this

stepladder [879]

11^0 is 1.
11^2= 121

121/1= 121

Final answer: 121

6 0

3 years ago

Convert the angle measure 40° to a radian measure?

Sophie [7]

Answer:

The answer is

Step-by-step explanation:

To convert an angle from degrees to radians multiply the value by $\frac{\pi}{180}$ .

From the question the value is 40°

It's equivalent in radians is

$40 \times \frac{\pi}{180} = \frac{40\pi}{18 0} = \frac{2\pi}{9} \\$

We have the final answer as

$\frac{2\pi}{9} \\$

Hope this helps you

8 0

3 years ago

A box contains 4 black shirts, 8 blue shirts, 4 black pants, and 10 blue pants. Determine the probability of randomly selecting

Elenna [48]

So there is 26 shirts in total because 4+8+4+10=26 Then you need to take 26-4=22. You do this because there is 26 total clothing and only 4 of them aren't either a blue piece of clothing or pants that means you have 22 pieces of clothing that are blue or pants. So your odds of picking a blue piece of clothing or pants is 22/26.

Hope this Helps!!

3 0

3 years ago

Use the area of the rectangle to find the area of the triangle. ?​

Use the area of the rectangle to find the area of the triangle. ?